months = [
    'Jan',
    'Feb',
    'Mar',
    'Apr',
    'May',
    'Jun',
    'Jul',
    'Aug',
    'Sep',
    'Oct',
    'Nov',
    'Dev'
]

endings = ['st', 'nd', 'rd'] + 17 * ['th'] \
        + ['st', 'nd', 'rd'] + 7 * ['th'] \
        + ['st']

year = input('Year: ')
month = input('Month (1-12): ')
day = input('Day(1-31): ')

month_number = int(month)
day_number = int(day)

month_name = months[month_number - 1]
ordinal = day + endings[day_number - 1]

print(month_name + ' ' + ordinal + ', ' + year)
